Phenyl benzoate
Synonyms
Benzoic acid, phenyl ester;
Category
Non-ionic surfactant
> Ester
>> Phenol Ester
Chemical Numbering System
CAS: 93-99-2
EINECS: 202-293-2
Molecular Formula & Molecular Weight
Molecular Formula: C13H10O2
Molecular Weight: 198.22
Structure
Properties
Appearance (1), solid.
Solubility insoluble in water.
Stability stable. Under strong acid or strong alkali condition, easily hydrolyzed.
Risk Solid form: flammable material; irritation, irritation to skin, eye, respiratory system. Harmful products of combustion are CO, CO2 and so on. Contact with strong oxidants, can cause to burn.
GHS label: 
Animal Toxicity
Table 1 Animal toxicity values
|
mouse oral LD50 |
1225mg/kg[1] |
Ecology may be hazardous to environment. Water body should be given special attention.
Biodegradability biodegradable.
Characteristics excellent antimicrobial, antibacterial, preservative abilities.
Synthesis
Quality Standards & Test Methods
1, Physical and chemical indexes
|
Item |
Physical and chemical indexes |
|
Solid |
|
|
Actives, %, ≥ |
95.0 |
Test Methods
(1), Actives
GB/T 13173 Surface active agents -- Detergents -- Testing methods
2, Hazardous substances indexes
|
Item |
Hazardous substances indexes |
|
Solid |
|
|
Heavy metals (as Pb), mg/kg, ≤ |
20 |
|
As, mg/kg, ≤ |
3 |
Test Methods
(1), Heavy metals (as Pb)
Safety and Technical Standards for Cosmetics (2015 Edition)
GB/T 30799 The test method of food detergents -- Determination of heavy metals
(2), As
Safety and Technical Standards for Cosmetics (2015 Edition)
GB/T 30797 The test method of food detergents -- Determination of total arsenic
3, Further explanation
(a), On physical and chemical indexes: firstly, shall be indicated carbon atom distribution; secondly, shall be indicated average molecular weight.
(b), Used in cosmetics, should be test for harmful substances or furtherly test for microorganisms, according to local regulations and standards.
Major Uses
1, Typical applications
Use as antimicrobial agent, preservative.
2, Personal care products
Preservative in personal care products.
Further information:
(1), In accordance with Safety and Technical Standards for Cosmetics (2015 Edition) of China, be included in the allowed preservatives.
Maximum concentration is 0.5% (as acid).
(2), In accordance with EU regulations (EC) No 1223/2009, directive 2007/17/EC, be included in Annex V/1a.
Maximum concentration is 0.5% (as acid).
Manufacturers
References
[1]: ChemIDplus. 93-99-2, Phenyl benzoate
Update: 20141016(1); 20200419(2);